@chayns-components/core/lib/esm/hooks/element.js

A set of beautiful React components for developing your own applications with chayns.

import React, { Children, cloneElement, isValidElement, useEffect, useRef, useState } from 'react';
const isSameRect = (a, b) => {
  if (!a || !b) return false;
  return a.width === b.width && a.height === b.height && a.x === b.x && a.y === b.y;
};
export const useElementSize = (ref, {
  shouldUseChildElement = false,
  shouldUseParentElement = false
} = {}) => {
  const [size, setSize] = useState();
  useEffect(() => {
    let target = ref.current;
    if (shouldUseParentElement) {
      target = ref.current?.parentElement ?? null;
    }
    if (shouldUseChildElement) {
      target = ref.current?.firstElementChild;
    }
    if (!target) return undefined;
    let frameId;
    const updateSize = nextSize => {
      if (frameId) {
        window.cancelAnimationFrame(frameId);
      }
      frameId = window.requestAnimationFrame(() => {
        setSize(currentSize => isSameRect(currentSize, nextSize) ? currentSize : nextSize);
      });
    };
    updateSize(target.getBoundingClientRect());
    const observer = new ResizeObserver(([entry]) => {
      if (!entry || entry.target !== target) return;
      updateSize(entry.contentRect);
    });
    observer.observe(target);
    return () => {
      if (frameId) {
        window.cancelAnimationFrame(frameId);
      }
      observer.disconnect();
    };
  }, [ref, shouldUseChildElement, shouldUseParentElement]);
  return size;
};
const cloneWithTabIndex = node => {
  if (! /*#__PURE__*/isValidElement(node)) return node;
  const element = node;
  if (element.type === React.Fragment) {
    const children = Children.map(element.props.children, cloneWithTabIndex);
    return /*#__PURE__*/cloneElement(element, {
      ...element.props,
      children
    });
  }
  const children = element.props.children ? Children.map(element.props.children, cloneWithTabIndex) : element.props.children;
  if (element.type.displayName === 'Button') {
    return (
      /*#__PURE__*/
      // eslint-disable-next-line react/button-has-type
      React.createElement("button", {
        tabIndex: -1
      }, children)
    );
  }
  return /*#__PURE__*/cloneElement(element, {
    ...element.props,
    tabIndex: -1,
    children
  });
};
const getClonedElement = content => {
  const preventEvents = {
    onClick: e => e.stopPropagation(),
    onMouseDown: e => e.stopPropagation(),
    onMouseUp: e => e.stopPropagation(),
    onKeyDown: e => e.stopPropagation(),
    onKeyUp: e => e.stopPropagation(),
    onFocus: e => e.stopPropagation(),
    onBlur: e => e.stopPropagation()
  };
  if (typeof content === 'string') {
    return /*#__PURE__*/React.createElement("span", {
      tabIndex: -1,
      "data-measured-clone": true
    }, content);
  }
  if (/*#__PURE__*/isValidElement(content)) {
    return cloneWithTabIndex(/*#__PURE__*/cloneElement(content, {
      ...preventEvents,
      'data-measured-clone': true
    }));
  }
  return content;
};
export const useMeasuredClone = ({
  content,
  shouldPreventTextWrapping = true
}) => {
  const ref = useRef(null);
  const [size, setSize] = useState({
    width: 0,
    height: 0
  });
  const clonedElement = getClonedElement(content);
  useEffect(() => {
    const measure = () => {
      if (!ref.current) return;
      const {
        offsetWidth: width,
        offsetHeight: height
      } = ref.current;
      setSize({
        width: width + (shouldPreventTextWrapping ? 10 : 0),
        height
      });
    };
    measure();
    const observer = new ResizeObserver(measure);
    if (ref.current) observer.observe(ref.current);
    return () => observer.disconnect();
  }, [shouldPreventTextWrapping]);
  const measuredElement = /*#__PURE__*/React.createElement("div", {
    "data-measured-clone": "true",
    ref: ref,
    style: {
      position: 'fixed',
      opacity: 0,
      pointerEvents: 'none',
      userSelect: 'none',
      zIndex: -1,
      height: 'auto',
      width: 'auto',
      visibility: 'hidden'
    },
    inert: "true",
    tabIndex: -1
  }, clonedElement);
  return {
    measuredElement,
    width: size.width,
    height: size.height
  };
};
export const useIsMeasuredClone = () => {
  const ref = useRef(null);
  const [isClone, setIsClone] = useState(false);
  useEffect(() => {
    if (!ref.current) return;
    let el = ref.current;
    while (el) {
      if (el.hasAttribute('data-measured-clone')) {
        setIsClone(true);
        return;
      }
      el = el.parentElement;
    }
    setIsClone(false);
  }, []);
  return [isClone, ref];
};
export const useIsInsideDialog = ref => {
  const [isInsideDialog, setIsInsideDialog] = useState(false);
  useEffect(() => {
    if (!ref.current) {
      return;
    }
    setIsInsideDialog(ref.current.closest('.dialog-inner') !== null);
  }, [ref]);
  return isInsideDialog;
};
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